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L-Alanine ethyl ester hydrochloride
L-Alanine ethyl ester hydrochloride is used in the synthesis of nucleoside phosphoramidates as antiviral agents for human immunodeficiency and hepatitis B viruses. Also used in synthesis of enantiomerically pure amino acid ester isocyanates. Synonyms: L-Ala-OEt HCl; Ethyl (S)-2-Aminopropionate Hydrochloride; L-Alanine Ethyl Ester Hydrochloride; (S)-2-Aminopropionic Acid Ethyl Ester Hydrochloride; H-Ala-OEt HCl; L-Ethyl 2-aminopropanoate hydrochloride. Grade: ≥ 98% (Assay). CAS No. 1115-59-9. Molecular formula: C5H11NO2·HCl. Mole weight: 153.60.
L-Alanine methyl ester is a derivative of L-Alanine. L-Alanine is used to make in-vivo measurement of glucose and alanine metabolism in studies of patients with diabetes. L-Alanine is a non-essential amino acid for human development and is one of the 20 amino acids encoded by the genetic code. Synonyms: L-Ala-OMe HCl; L-Alaninemethylesterhydrochloride; L-Alanine Methyl Ester Hydrochloride; (S)-Methyl 2-aminopropanoate hydrochloride; H-Ala-OMe HCl; L-2-amino-propanoic acid methyl ester hydrochloride. Grade: ≥ 99% (HPLC). CAS No. 2491-20-5. Molecular formula: C4H9NO2·HCl. Mole weight: 139.60.
L-Alanine tert-butyl ester hydrochloride
L-Alanine tert-butyl ester is a protected form of L-Alanine. L-Alanine is used to make in-vivo measurement of glucose and alanine metabolism in studies of patients with diabetes. L-Alanine is a non-essential amino acid for human development and is one of the 20 amino acids encoded by the genetic code. Synonyms: L-Ala-OtBu HCl; tert-Butyl(S)-2-Aminopropionate Hydrochloride; L-Alanine tert-Butyl Ester Hydrochloride; H-Ala-Otbu HCl; (S)-2-Aminopropionic acid tert-Butyl ester hydrochloride; tert-butyl(2S)-2-aminopropanoate hydrochloride. Grade: 97.5-102.5% (Assay by titration). CAS No. 13404-22-3. Molecular formula: C7H15NO2·HCl. Mole weight: 181.70.
Pre-loaded resins for solid phase peptide and organic synthesis.
L-Alanyl-L-cysteine
L-Alanyl-L-cysteine is a dipeptide composed of L-alanine and L-cysteine. L-alanine plays a role in protein synthesis and glucose metabolism, while L-cysteine is a sulfur-containing amino acid important for antioxidant defense and the formation of disulfide bonds in proteins. This dipeptide may be used in studies related to metabolic processes, redox biology, and protein structure, as it combines the metabolic functions of alanine with the reactive thiol group of cysteine, potentially influencing cellular redox states and protein stability. Synonyms: AC; L-Cysteine, N-L-alanyl-; Cysteine, N-L-alanyl-, L-; Alanine Cysteine dipeptide; Alanylcysteine; Alanyl-Cysteine; AC dipeptide; H-Ala-Cys-OH; H-AC-OH. Grade: ≥95%. CAS No. 2490-72-4. Molecular formula: C6H12N2O3S. Mole weight: 192.24.
L-Alanyl-L-cysteine methyl ester
L-Alanyl-L-cysteine methyl ester is a dipeptide consisting of L-alanine and L-cysteine with a methyl ester group attached to the cysteine residue. L-alanine is a non-essential amino acid involved in protein synthesis and energy production, while L-cysteine contains a thiol group, contributing to antioxidant activities and the formation of disulfide bonds in proteins. The methyl ester modification enhances the molecule's lipophilicity, potentially improving its cellular uptake and bioavailability. This compound may be of interest in research focusing on oxidative stress, metabolic processes, and drug delivery systems. Synonyms: AC-OMe; L-Cysteine, L-alanyl-, methyl ester; L-Cysteine, N-L-alanyl-, methyl ester; H-Ala-Cys-OMe; Methyl L-alanyl-L-cysteinate. Grade: ≥95%. CAS No. 93679-29-9. Molecular formula: C7H14N2O3S. Mole weight: 206.26.
L-Alanyl-L-lysine is a dipeptide composed of L-alanine and L-lysine. L-alanine is a non-essential amino acid involved in protein synthesis and glucose metabolism, while L-lysine is an essential amino acid important for protein synthesis, collagen formation, and enzyme function. This dipeptide may be relevant in research on peptide synthesis, protein function, and metabolic studies. It could also be used in exploring the impact of dipeptides on cellular processes or in therapeutic applications where both amino acids play a role in supporting tissue repair and growth. Synonyms: AK; L-Lysine, N2-L-alanyl-; Lysine, N2-L-alanyl-, L-; Ala-Lys; H-Ala-Lys-OH; H-AK-OH; Alanyllysine; Ala-Lys-OH; AK dipeptide; A-K Dipeptide; L-Ala-L-Lys; Alanine Lysine dipeptide; (S)-6-Amino-2-((S)-2-amino-propionylamino)-hexanoic acid. Grade: ≥95%. CAS No. 6366-77-4. Molecular formula: C9H19N3O3. Mole weight: 217.27.
L-α-(2-Thienyl)glycine is a compound used in the one-pot regioselective synthesis of substituted arylglycines for kinetic resolution by penicillin G acylase. Synonyms: H-Thg(2)-OH; H-Gly(2-Thienyl)-OH. Grade: ≥ 98%. CAS No. 65058-23-3. Molecular formula: C6H7NO2S. Mole weight: 157.19.
L-α-Glutamyl-L-glutamine is a dipeptide consisting of L-α-glutamic acid and L-glutamine. L-α-glutamic acid is an amino acid that acts as a neurotransmitter and plays a role in cellular metabolism and nitrogen transport. L-glutamine is a conditionally essential amino acid that supports immune function, gut health, and nitrogen balance. This dipeptide may be relevant in research related to metabolic processes, neurochemistry, and the regulation of nitrogen levels in the body, as well as potential therapeutic applications targeting metabolic and immune system support. Synonyms: EQ; L-Glutamine, N2-L-α-glutamyl-; Glutamine, N2-L-α-glutamyl-, L-; α-L-Glutamyl-L-glutamine; Glu-Gln; H-Glu-Gln-OH; H-EQ-OH; (S)-4-Amino-5-(((S)-4-amino-1-carboxy-4-oxobutyl)amino)-5-oxopentanoic acid; Glutamylglutamine; Glutamyl-glutamine; L-Glutamyl-L-Glutamine; EQ dipeptide; Glutamate Glutamine dipeptide; alpha-Glu-Gln. Grade: ≥95%. CAS No. 26848-14-6. Molecular formula: C10H17N3O6. Mole weight: 275.26.
L-α-Methylproline is a proline-based organocatalyst that has been investigated for several powerful asymmetric transformations, such as the Aldol, Mannich, and Michael reactions. Synonyms: L-Proline, 2-methyl-; 2-Methyl-L-proline; Proline, 2-methyl-, L-; (-)-2-Methyl-(S)-proline; (-)-2-Methyl-L-proline; (S)-2-Methylproline; (S)-2-Methylpyrrolidine-2-carboxylic acid; (S)-α-Methylproline; L-2-Methylproline; NSC 14964; α-Methyl-L-proline. Grade: ≥95%. CAS No. 42856-71-3. Molecular formula: C6H11NO2. Mole weight: 129.16.
Laminin β-1 Chain (925-933) (human, mouse) is a peptide derivative from residues 925-933 of the laminin B1 chain. It binds to the laminin receptor. Synonyms: Laminin beta-1 Chain (925-933) (human, mouse) acetate; Laminin β-1 Chain (925-933) (human, mouse) acetate; Laminin Fragment 925-933 acetate. Molecular formula: C42H66N12O16S. Mole weight: 1027.11.
Laminin (925-933) TFA
Laminin (925-933) TFA is a peptide derivative from residues 925-933 of the laminin B1 chain. It binds to the laminin receptor. Synonyms: H-Cys-Asp-Pro-Gly-Tyr-Ile-Gly-Ser-Arg-OH.TFA; L-cysteinyl-L-alpha-aspartyl-L-prolyl-glycyl-L-tyrosyl-L-isoleucyl-glycyl-L-seryl-L-arginine trifluoroacetic acid; Laminin beta-1 Chain (925-933) (human, mouse).TFA; Laminin Fragment 925-933.TFA. Grade: >98%. Molecular formula: C40H62N12O14S.C2HF3O2. Mole weight: 1081.08.
Laminin (929-933)
Laminins are high-molecular weight proteins of the extracellular matrix. Synonyms: H-TYR-ILE-GLY-SER-ARG-OH; LAMININ B1 CHAIN PENTAPEPTIDE FRAGMENT; LAMININ FRAGMENT; LAMININ FRAGMENT 929-933; LAMININ PENTAPEPTIDE; YIGSR; TYR-ILE-GLY-SER-ARG; tyrosyl-isoleucyl-glycyl-seryl-arginine. Grade: 95%. CAS No. 110590-64-2. Molecular formula: C26H42N8O8. Mole weight: 594.66.
L-amino-acid oxidase
L-amino-acid oxidase is an antibacterial peptide isolated from Trimeresurus mucrosquamatus. It has activity against gram-negative bacteria. Synonyms: Ala-Asp-Asn-Lys-Asn-Pro-Leu-Glu-Glu-Cys-Phe-Arg-Glu-Thr-Asn-Tyr-Glu-Glu-Phe-Leu-Glu-Ile-Ala-Arg. Molecular formula: C127H192N34O44S. Mole weight: 2931.18.
Lanreotide acetate
Lanreotide acetate is a long-acting synthetic analog of somatostatin used in the treatment of acromegaly and symptoms of neuroendocrine tumors. Its cyclic octapeptide structure and acetate formulation enhance its stability and efficacy, making it a valuable therapeutic agent in endocrinology and oncology. Synonyms: H-D-2Nal-Cys(1)-Tyr-D-Trp-Lys-Val-Cys(1)-Thr-NH2.CH3CO2H; 3-(2-naphthyl)-D-alanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl-L-cysteinyl-L-threoninamide (2->7)-disulfide acetic acid; Angiopeptin acetate; Autogel acetate; BIM 23014 acetate; Dermopeptin acetate; Lanreotide monoacetate salt; Lanreotide Autogel acetate; Somatulin acetate; L-Threoninamide, 3-(2-naphthalenyl)-D-alanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl-L-cysteinyl-, cyclic (2→7)-disulfide, acetate (1:1). Grade: ≥95%. CAS No. 2378114-72-6. Molecular formula: C54H69N11O10S2.C2H4O2. Mole weight: 1156.38.
Lantibiotic 97518
Lantibiotic 97518 is an antibacterial peptide isolated from Planomonospora sp. It has activity against gram-negative bacteria. Synonyms: Bacteriocin 97518; Ile-Thr-Ser-Val-Ser-Trp-Cys-Thr-Pro-Gly-Cys-Thr-Ser-Glu-Gly-Gly-Gly-Ser-Gly-Cys-Ser-His-Cys-Cys.
Lantibiotic actagardine
Lantibiotic actagardine is an antibacterial peptide. It has activity against gram-positive bacteria. Synonyms: Ser-Ser-Gly-Trp-Val-Cys-Thr-Leu-Thr-Ile-Glu-Cys-Gly-Thr-Val-Ile-Cys-Ala-Cys. Molecular formula: C81H124N20O24S4. Mole weight: 1890.2.
Lantibiotic carnocin-UI49
Lantibiotic carnocin-UI49 is an antibacterial peptide isolated from Carnobacterium sp. It has activity against gram-positive bacteria. Synonyms: Gly-Ser-Glu-Ile-Gln-Pro-Arg. Grade: 97.3%.
Lantibiotic cinnamycin
Lantibiotic cinnamycin is an antibacterial peptide isolated from Streptoverticillium griseoverticillatum. It has activity against bacteria and viruses. Synonyms: Cys-Arg-Gln-Ser-Cys-Ser-Phe-Gly-Pro-Phe-Thr-Phe-Val-Cys-Asp-Gly-Asn-Thr-Lys. Molecular formula: C89H125N25O25S3. Mole weight: 2041.3.
Lantibiotic epilancin
Lantibiotic epilancin is an antibacterial peptide isolated from Staphylococcus epidermidis. Synonyms: Epilancin K7; Ser-Ala-Ser-Val-Leu-Lys-Thr-Ser-Ile-Lys-Val-Ser-Lys-Lys-Tyr-Cys-Lys-Gly-Val-Thr-Leu-Thr-Cys-Gly-Cys-Asn-Ile-Thr-Gly-Gly-Lys.
Lantibiotic epilancin 15X
Lantibiotic epilancin 15X is an antibacterial peptide isolated from Staphylococcus epidermidis. It has activity against gram-positive bacteria. Synonyms: Ser-Ala-Ser-Ile-Val-Lys-Thr-Thr-Ile-Lys-Ala-Ser-Lys-Lys-Leu-Cys-Arg-Gly-Phe-Thr-Leu-Thr-Cys-Gly-Cys-His-Phe-Thr-Gly-Lys-Lys.
Lantibiotic lacticin 3147 A1
Lantibiotic lacticin 3147 A1 is an antibacterial peptide isolated from Lactococcus lactis subsp. lactis. It has activity against gram-positive bacteria. Synonyms: Cys-Ser-Thr-Asn-Thr-Phe-Ser-Leu-Ser-Asp-Tyr-Trp-Gly-Asn-Asn-Gly-Ala-Trp-Cys-Thr-Leu-Thr-His-Glu-Cys-Met-Ala-Trp-Cys-Lys.
Lantibiotic lacticin 3147 A2
Lantibiotic lacticin 3147 A2 is an antibacterial peptide isolated from Lactococcus lactis subsp. lactis. It has activity against gram-positive bacteria. Synonyms: Thr-Thr-Pro-Ala-Thr-Pro-Ala-Ile-Ser-Ile-Leu-Ser-Ala-Tyr-Ile-Ser-Thr-Asn-Thr-Cys-Pro-Thr-Thr-Lys-Cys-Thr-Arg-Ala-Cys.
Lantibiotic lacticin-481
Lantibiotic lacticin-481 is an antibacterial peptide isolated from Lactococcus lactis subsp. lactis. It has activity against gram-positive bacteria. Synonyms: Lys-Gly-Gly-Ser-Gly-Val-Ile-His-Thr-Ile-Ser-His-Glu-Cys-Asn-Met-Asn-Ser-Trp-Gln-Phe-Val-Phe-Thr-Cys-Cys-Ser. Molecular formula: C127H182N36O35S4. Mole weight: 2901.3.
Lantibiotic lichenicidin A2
Lantibiotic lichenicidin A2 is an antibacterial peptide isolated from Bacillus licheniformis. Synonyms: Thr-Pro-Ala-Thr-Thr-Ser-Ser-Trp-Thr-Cys-Ile-Thr-Ala-Gly-Val-Thr-Val-Ser-Ala-Ser-Leu-Cys-Pro-Thr-Thr-Lys-Cys-Thr-Ser-Arg-Cys.
Lantibiotic lichenicidin VK21 A2
Lantibiotic lichenicidin VK21 A2 is an antibacterial peptide isolated from Bacillus licheniformis. Synonyms: Thr-Thr-Pro-Ala-Thr-Thr-Ser-Ser-Trp-Thr-Cys-Ile-Thr-Ala-Gly-Val-Thr-Val-Ser-Ala-Ser-Leu-Cys-Pro-Thr-Thr-Lys-Cys-Thr-Ser-Arg-Cys.
Lantibiotic Mersacidin
Lantibiotic Mersacidin is an antibacterial peptide isolated from Bacillus sp. It has activity against gram-positive bacteria. Uses: Lantibiotic mersacidin is a widely-regarded naturally occurring antimicrobial peptide that belongs to a class of antimicrobial peptides known as lantibiotics. it has a unique structure and antimicrobial mechanism, making it potentially valuable in the development of new antimicrobial drugs. like many other antimicrobial peptides, lantibiotic mersacidin has high biostability and antimicrobial activ. Synonyms: Mersacidin. Molecular formula: C80H120N20O21S4. Mole weight: 1826.2.
Lantibiotic michiganin-A
Lantibiotic michiganin-A is an antibacterial peptide isolated from Clavibacter michiganensis subsp. michiganensis. Synonyms: Ser-Ser-Ser-Gly-Trp-Leu-Cys-Thr-Leu-Thr-Ile-Glu-Cys-Gly-Thr-Ile-Ile-Cys-Ala-Cys-Arg. Molecular formula: C92H145N25O26S4. Mole weight: 2145.6.
Lantibiotic mutacin-2
Lantibiotic mutacin-2 is an antibacterial peptide isolated from Streptococcus mutans. It has activity against gram-positive bacteria and gram-negative bacteria. Synonyms: Asn-Arg-Trp-Trp-Gln-Gly-Val-Val-Pro-Thr-Val-Ser-Tyr-Glu-Cys-Arg-Met-Asn-Ser-Trp-Gln-His-Val-Phe-Thr-Cys-Cys.
Lantibiotic mutacin B-Ny266
Lantibiotic mutacin B-Ny266 is an antibacterial peptide isolated from Streptococcus mutans. It has activity against gram-positive bacteria. Synonyms: Phe-Lys-Ser-Trp-Ser-Phe-Cys-Thr-Pro-Gly-Cys-Ala-Lys-Thr-Gly-Ser-Phe-Asn-Ser-Tyr-Cys-Cys.
Lantibiotic nukacin
Lantibiotic nukacin is an antibacterial peptide isolated from Staphylococcus hominis. Synonyms: Bacteriocin nukacin; Nukacin KQ-1; Lys-Lys-Ser-Gly-Val-Ile-Pro-Thr-Val-Ser-His-Asp-Cys-His-Met-Asn-Thr-Phe-Gln-Phe-Met-Phe-Thr-Cys-Cys-Ser.
Lantibiotic nukacin precursor
Lantibiotic nukacin precursor is an antibacterial peptide isolated from Staphylococcus warneri. Synonyms: Lys-Lys-Lys-Ser-Gly-Val-Ile-Pro-Thr-Val-Ser-His-Asp-Cys-His-Met-Asn-Ser-Phe-Gln-Phe-Val-Phe-Thr-Cys-Cys-Ser.
Lantibiotic paenibacillin
Lantibiotic paenibacillin is an antibacterial peptide isolated from Paenibacillus polymyxa. It has activity against gram-positive bacteria. Synonyms: Ala-Ser-Ile-Ile-Lys-Thr-Thr-Ile-Lys-Val-Ser-Lys-Ala-Val-Cys-Lys-Thr-Leu-Thr-Cys-Ile-Cys-Thr-Gly-Ser-Cys-Ser-Asn-Cys-Lys.
Lantibiotic Pep5
Lantibiotic Pep5 is an antibacterial peptide isolated from Staphylococcus epidermidis. Synonyms: Thr-Ala-Gly-Pro-Ala-Ile-Arg-Ala-Ser-Val-Lys-Gln-Cys-Gln-Lys-Thr-Leu-Lys-Ala-Thr-Arg-Leu-Phe-Thr-Val-Ser-Cys-Lys-Gly-Lys-Asn-Gly-Cys-Lys. CAS No. 84931-86-2. Molecular formula: C153H258N46O41S6. Mole weight: 3590.4.
Lantibiotic salivaricin-A
Lantibiotic salivaricin-A is an antibacterial peptide isolated from Streptococcus salivarius. Synonyms: SalA; Lys-Arg-Gly-Ser-Gly-Trp-Ile-Ala-Thr-Ile-Thr-Asp-Asp-Cys-Pro-Asn-Ser-Val-Phe-Val-Cys-Cys.
Lantibiotic streptin
Lantibiotic streptin is an antibacterial peptide isolated from Streptococcus pyogenes. It has activity against gram-positive bacteria. Synonyms: Gly-Ser-Arg-Tyr-Leu-Cys-Thr-Pro-Gly-Ser-Cys-Trp-Lys-Leu-Val-Cys-Phe-Thr-Thr-Thr-Val-Lys.
Lantibiotic streptococcin A-FF22
Lantibiotic streptococcin A-FF22 is an antibacterial peptide isolated from Streptococcus pyogenes. Synonyms: Gly-Lys-Asn-Gly-Val-Phe-Lys-Thr-Ile-Ser-His-Glu-Cys-His-Leu-Asn-Thr-Trp-Ala-Phe-Leu-Ala-Thr-Cys-Cys-Ser.
Lantibiotic subtilin
Lantibiotic subtilin is an antibacterial peptide isolated from Bacillus subtilis. Synonyms: Trp-Lys-Ser-Glu-Ser-Leu-Cys-Thr-Pro-Gly-Cys-Val-Thr-Gly-Ala-Leu-Gln-Thr-Cys-Phe-Leu-Gln-Thr-Leu-Thr-Cys-Asn-Cys-Lys-Ile-Ser-Lys. CAS No. 1393-38-0. Molecular formula: C148H227N39O38S5. Mole weight: 3320.94.
L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis. It is an α-amino acid and was first isolated in 1886. It is associated with a decrease in cardiac index while stroke index is maintained in patients with severe sepsis. Synonyms: L-Arginine; Arginine, L-; (S)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid; L-Arg; L-Norvaline, 5-[(aminoiminomethyl)amino]-; L-Ornithine, N5-(aminoiminomethyl)-; L-α-Amino-δ-guanidinovaleric acid; A 0526; Arginine; L-arginine C Grade; NSC 206269; Pentanoic acid, 2-amino-5-[(aminoiminomethyl)amino]-, (S)-. Grade: >98%. CAS No. 74-79-3. Molecular formula: C6H14N4O2. Mole weight: 174.20.